在Java中,可以通过以下步骤将CLOB类型转换为String:
- 首先获取CLOB对象,可以通过ResultSet获取CLOB对象,例如:
Clob clob = resultSet.getClob("clob_column");
- 然后通过Clob对象的getCharacterStream()方法获取输入流,并将其读取到String中,例如:
Reader reader = clob.getCharacterStream(); StringBuilder stringBuilder = new StringBuilder(); char[] buffer = new char[1024]; int bytesRead = 0; while ((bytesRead = reader.read(buffer)) != -1) { stringBuilder.append(buffer, 0, bytesRead); } String clobString = stringBuilder.toString();
- 最后得到的clobString即为CLOB类型转换后的String。